Viscosity is a measure of a fluid 's rate-dependent resistance to a change in shape or to movement of its neighboring portions relative to one another. [1] For liquids, it corresponds to …

Oct 9, 2025 · What is viscosity? Viscosity is the resistance of a fluid (liquid or gas) to a change in shape or movement of neighbouring portions relative to one another. Viscosity denotes …

Oct 18, 2024 · Viscosity is a physical quantity that describes a fluid’s resistance to flow. It is a property that resists the relative displacement of the different layers of the fluid.

Learn how viscosity measures a liquid’s resistance to flow, why “thick” liquids like syrup move slowly, and how intermolecular forces and molecular structure impact flow rate.

Jul 23, 2025 · Viscosity refers to a fluid's resistance to flow, indicating how easily it deforms or changes shape when exposed to stress. A high viscosity means the fluid flows slowly, such as …

Informally, viscosity is the quantity that describes a fluid's resistance to flow. Formally, viscosity is the ratio of shearing stress to velocity gradient.

Aug 3, 2021 · By definition, viscosity is a fluid’s resistance to flow or deformation. A fluid with a high viscosity, such as honey, flows as a slower rate than a less viscous fluid, such as water.

In this article, you will learn what viscosity is, how it is measured, and the viscosity equation of a fluid. You’ll also explore the reasons why viscosity is important.

Viscosity is a property of all fluids, encompassing both liquids and gases, that determines a material’s resistance to flow or to a change in shape. This property can be understood as the …

The internal friction that arises due to this difference in velocity is termed viscosity. Fluids with high viscosity (like honey or oil) flow more slowly, while fluids with low viscosity (like water or …